FIX: Form CDN URL client side instead.

app/assets/javascripts/discourse/components/category-logo-link.js.es6

@@ -1,12 +0,0 @@
-export default Em.Component.extend({
-  tagName: 'a',
-  attributeBindings: ['href'],
-  href: function() {
-    return Discourse.getURL('/c/') + Discourse.Category.slugFor(this.get('category'));
-  }.property(),
-
-  render(buffer) {
-    const categoryLogo = this.get('category.logo_url');
-    buffer.push(`<img class="category-logo" src='${categoryLogo}'/>`);
-  }
-});

app/assets/javascripts/discourse/components/category-title-link.js.es6

@@ -1,17 +1,10 @@
-import { iconHTML } from 'discourse/helpers/fa-icon';
+import computed from 'ember-addons/ember-computed-decorators';
 
 export default Em.Component.extend({
   tagName: 'h3',
 
-  render(buffer) {
-    const category = this.get('category');
-    const categoryUrl = Discourse.getURL('/c/') + Discourse.Category.slugFor(category);
-    const categoryName = Handlebars.Utils.escapeExpression(category.get('name'));
-
-    if (category.get('read_restricted')) { buffer.push(iconHTML('lock')); }
-
-    buffer.push(`<a href='${categoryUrl}'>`);
-    buffer.push(`<span class='category-name'>${categoryName}</span>`);
-    buffer.push(`</a>`);
+  @computed("category.name")
+  categoryName(name) {
+    return Handlebars.Utils.escapeExpression(name);
   }
 });

app/assets/javascripts/discourse/templates/components/categories_only.hbs

@@ -15,9 +15,6 @@
           <td class="category" style={{border-color c.color}}>
             <div>
               {{category-title-link category=c}}
-              {{#if c.logo_url}}
-                {{category-logo-link category=c}}
-              {{/if}}
               <div class="category-description">
                 {{{c.description_excerpt}}}
               </div>

app/assets/javascripts/discourse/templates/components/category-title-link.hbs

@@ -0,0 +1,11 @@
+<a href={{category.url}}>
+  {{#if category.read_restricted}}
+    {{fa-icon 'lock'}}
+  {{/if}}
+
+  <span class="category-name">{{categoryName}}</span>
+
+  {{#if category.logo_url}}
+    <div>{{cdn-img src=category.logo_url class="category-logo"}}</div>
+  {{/if}}
+</a>